On December 17, local time, the reporter learned that the US government has acknowledged that the pilot of the Army's “Black Hawk” helicopter and the air traffic controller at the Reagan National Airport tower made mistakes in the Washington crash on January 29 this year.

On December 17, local time, the reporter learned that the US government has acknowledged that the pilot of the Army's “Black Hawk” helicopter and the air traffic controller at the Reagan National Airport tower made mistakes in the Washington crash on January 29 this year.